Finding the Fourth Proportional to 265,770,467.70, 398,655,701.55 and 265,770,467.70
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Solution
The fourth proportional to 265,770,467.70, 398,655,701.55 and 265,770,467.70 is: 398,655,701.55
Step by Step Solution
- Step 1: Write the proportion equation
265,770,467.70 : 398,655,701.55 = 265,770,467.70 : x - Step 2: Convert to fraction form
265,770,467.70/398,655,701.55 = 265,770,467.70/x - Step 3: Cross multiply
265,770,467.70x = 398,655,701.55 × 265,770,467.70 - Step 4: Simplify right side
265,770,467.70x = 105,950,912,252,215,120 - Step 5: Solve for x
x = 105,950,912,252,215,120/265,770,467.70 - Step 6: Final answer
x = 398,655,701.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.